Question about Grundig Lenaro 26 in. LCD TV

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Picture break up

I have a lenaro tv the picture breaks up until you tap the tv now the screen has gone white with just a small section at the top

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There is some loose contacts to the connection wires inside the TV. If you are not familiar with electronics, do not attempt to repair. Whether you suffer fatal electric shock. Instead, contact any experienced service technician, or the nearest service center.

Posted on Apr 27, 2013

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Posted on Jan 02, 2017

  • 159 Answers

SOURCE: i have grundig lenaro 32"tv

Sounds like you're only viewing analogue channels.
Go into Menu and find Inputs and select & choose DTV. This will restore reception of Freeview (Digital TV) channels.

Posted on Sep 26, 2011

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1 Answer

Tv comes on for a few seconds then starts to blink on screen then cuts off with red light on stays on


Hi Kenny
Being a projection device... Which most TV's aren't ...
You need to break the fault down into the Projection Section or the TV Section.
Or Power Supply Section
Projector bulb blown, overheating etc.
Power supply sensing overload or fault then automatically shutting down.
TV Section may be OK
small internal LCD screen is projected by lens.
Check internals.
Happy Troubleshooting

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Grundig Lenaro tv: White line appearing on the screen


If you wish to get some details; visit the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
Search the site by type in the "BRAND NAME" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Jun 16, 2017 | Televison & Video

1 Answer

My grunig lenaro 32inch screen freezes whilst on channel sometimes in minutes,sometimes after an hour and I have to switch off /on to proceed- what do I need to do to fix it?


Hello
It is due to its mother board fault. Digital signal processing section hangs up. There is no repair other than replacing the main motherboard. OK.

Jul 18, 2011 | Grundig Lenaro 26 in. LCD TV

1 Answer

A horizontal white line is appears in my LG Flatron colour tv in the middle of screen suddenly and the pictures disappears but the sound keeps on but when i restart the tv the pictures comes what would be...


Tap the top of the TV and if the picture comes on in full screen then it is possible that there are DRY SOLDERING points on the board.
use a good iron to touch up the soldering on the vertical and horizontal sections, the driver IC's. get help if you are not able to do the job but it seems a minor job.

Jul 05, 2011 | Televison & Video

1 Answer

We have a Sanyo DS27930 TV. We just noticed that there are fast moving white horizontal lines that move continuously through the picture. It is very irritating to watch especially when the picture is...


Hello
You are talking about interfearence lines that comes across the screen of your TV from top to bottom, as moving at an inch thick or so, I thinks. It may be due to the external interfearence, or to some faults inside the TV. You just check the antenna connecting socket at the rear of your TV. It must be moderately tight. Check whether its internal connecting tab has a break or not. If there is some loose or break, replace the same.
Another fault is due to its power supply regulator section. You should check it from the mains filter capacitor to all parts fitted in the power supply section inside the printed circuit board of your TV. It must have some skill, concepet of soldering and desodering, knowledge to follow schematic diagram and more patience.
Also check whether a computer or any like high frequency working equipments set beside your tv. It may also cause some sort of intereferance. Ok.

Oct 31, 2010 | Sanyo DS27930 27" TV

1 Answer

My tv screen constantly distorts the picture.


More likely to be the problem in the LCD controller (TCON) board due to heat problem, try running the TV with the back open with small fan blowing at the top section of the TV. http://s807.photobucket.com/albums/yy352/budm/LTV-32W3HD/
Becareful wehn removing the back, you may have switch assembly attached to the back cover.

Feb 16, 2010 | Westinghouse LTV-32w4 32.02 in. LCD HDTV

1 Answer

Picture tube RCA F27676BC TV from time to time suddenly goes to almost a full bright white screen then starts to flicker randomly. Could it be a driver chip on PCB?


no. possible loose solder connection but i believe it is sediment in neck of picture tube(crt) try while tv is on with the back off, tap tap tap the neck of crt with plastic side of screwdriver. hit it hard but dont break it. this will knock loose the sediments in the crt. fixed!

Nov 06, 2009 | RCA Televison & Video

1 Answer

Picture Shortens, Converges, eventually the set shuts off - $50 for Correct Solution


Open the TV amd turn it on in a position you can see the picture, possibly through a mirror. Now gently tap all of the metal heat sinks on the circuit board until you find the one that is sensitive it will have a small chip mounted vertically on it, with probably like 7-10 pins. The number on the chip will most likely be an "LA****" number. Now turn the circuit board (UNPLUG FIRST) over and resolder the pins. This is your problem 99% of the time. Be very careful there is High Voltage inside this TV.

Apr 26, 2007 | Zenith IQB36B42W TV

1 Answer

Top of the screen Picture Problem


sound like you have 1 or a couple of leaky/bad capacitors in the tv's vertical circuit, typically, there sould be 5 to 10 caps. in all, but you just need 1 bad one to cause your problem. good luck.

Mar 13, 2007 | JVC AV-27230 27" TV

1 Answer

Top section of the picture gets reversed and compressed


Dear simon, Seems like a simple problem. In all likelihood, one of the Electrolytic Capacitors in the vertical Output stages has failed.It could also be a cold / dry solder, as symptoms seem to disappear when you tap the set. But, do not try anything thing at home. A proffessional Techie should fix it up in 15-20 mins. Definitely worth the spend.

Aug 02, 2006 | JVC AV-27230 27" TV

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